Dell Precision M20 Dell Precision M20 Service Manual - Page 39

Back to Contents Page Microprocessor Thermal-Cooling Assembly Dell Precision™ M20 Service Manual Removing the Microprocessor Thermal-Cooling Assembly Installing the Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling Assembly CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries. 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the center control cover. 3. Remove the keyboard. 4. Remove the display assembly. 5. Remove the palm rest. NOTE: You can remove the microprocessor thermal-cooling assembly with the fan attached. 6. Loosen in consecutive order the three captive screws, labeled "1" through "3," that secure the microprocessor thermal-cooling assembly to the system board. 1 microprocessor thermal-cooling assembly 2 captive screws (3) 7. Lift to remove the microprocessor thermal-cooling assembly away from the system board. Installing the Microprocessor Thermal-Cooling Assembly 1. Place the microprocessor thermal-cooling assembly on the system board. 2. Tighten the three captive screws, labeled "1" through "3," in consecutive order.